- Ardent Tool
Reference site for IBM PS/2 and Micro Channel systems, with technical specifications, manuals, drivers, schematics, adapters and setup guides.
- IBM 1130 Site
Enthusiast resource for the IBM 1130 with hardware and software information, manuals and documentation, an IBM 1130 simulator, and pages about surviving systems.
- IBM 1401 Computer History
Computer History Museum’s IBM 1401 Demo Lab and restoration project, with operational mainframes, live demonstrations, restoration reports, technical documentation, software inventories and photographs.
- Minus Zero Degrees
Reference archive of IBM PC hardware documentation, including technical manuals, ROMs, schematics, specifications and restoration guides for models such as the 5150, 5160 and 5170.
- Retro Fusion
Online store specializing in retro tech, vintage computer parts, and new custom shells for bread-bin Commodore computers.
- Retropaq
Articles, videos, downloads and service documentation about vintage computers, including Compaq Portables, Macintosh Portable, IBM P75 and Toshiba systems.
- TinkerDifferent
A forum and community for vintage tech enthusiasts to collaborate and share information about classic computers, primarily focusing on Apple products.
